java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/memsafety/test-0019_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 10:02:22,554 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 10:02:22,556 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 10:02:22,572 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 10:02:22,572 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 10:02:22,573 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 10:02:22,574 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 10:02:22,579 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 10:02:22,582 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 10:02:22,582 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 10:02:22,585 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 10:02:22,585 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 10:02:22,586 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 10:02:22,587 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 10:02:22,588 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 10:02:22,590 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 10:02:22,592 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 10:02:22,594 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 10:02:22,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 10:02:22,597 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 10:02:22,599 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 10:02:22,599 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 10:02:22,600 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 10:02:22,601 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 10:02:22,602 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 10:02:22,603 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 10:02:22,603 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 10:02:22,604 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 10:02:22,604 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 10:02:22,605 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 10:02:22,605 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 10:02:22,606 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-31 10:02:22,628 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 10:02:22,628 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 10:02:22,629 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 10:02:22,629 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 10:02:22,629 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 10:02:22,630 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 10:02:22,630 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 10:02:22,630 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 10:02:22,631 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 10:02:22,631 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 10:02:22,631 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 10:02:22,631 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 10:02:22,632 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 10:02:22,632 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 10:02:22,632 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 10:02:22,632 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 10:02:22,632 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 10:02:22,633 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 10:02:22,633 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 10:02:22,633 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 10:02:22,633 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 10:02:22,634 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 10:02:22,634 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 10:02:22,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 10:02:22,634 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 10:02:22,634 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 10:02:22,635 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 10:02:22,635 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 10:02:22,641 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 10:02:22,641 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 10:02:22,641 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 10:02:22,641 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 10:02:22,642 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 10:02:22,642 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 10:02:22,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 10:02:22,709 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 10:02:22,713 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 10:02:22,715 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 10:02:22,715 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 10:02:22,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0019_true-valid-memsafety_true-termination.i [2018-01-31 10:02:22,957 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 10:02:22,967 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-31 10:02:22,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 10:02:22,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 10:02:22,977 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 10:02:22,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:02:22" (1/1) ... [2018-01-31 10:02:22,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d356b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:02:22, skipping insertion in model container [2018-01-31 10:02:22,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:02:22" (1/1) ... [2018-01-31 10:02:23,001 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 10:02:23,054 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 10:02:23,213 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 10:02:23,231 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 10:02:23,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:02:23 WrapperNode [2018-01-31 10:02:23,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 10:02:23,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 10:02:23,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 10:02:23,240 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 10:02:23,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:02:23" (1/1) ... [2018-01-31 10:02:23,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:02:23" (1/1) ... [2018-01-31 10:02:23,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:02:23" (1/1) ... [2018-01-31 10:02:23,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:02:23" (1/1) ... [2018-01-31 10:02:23,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:02:23" (1/1) ... [2018-01-31 10:02:23,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:02:23" (1/1) ... [2018-01-31 10:02:23,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:02:23" (1/1) ... [2018-01-31 10:02:23,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 10:02:23,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 10:02:23,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 10:02:23,288 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 10:02:23,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:02:23" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 10:02:23,341 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 10:02:23,341 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 10:02:23,341 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_data [2018-01-31 10:02:23,341 INFO L136 BoogieDeclarations]: Found implementation of procedure free_data [2018-01-31 10:02:23,341 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 10:02:23,341 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-31 10:02:23,342 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-31 10:02:23,342 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 10:02:23,342 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 10:02:23,342 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 10:02:23,342 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-31 10:02:23,342 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-31 10:02:23,343 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_data [2018-01-31 10:02:23,343 INFO L128 BoogieDeclarations]: Found specification of procedure free_data [2018-01-31 10:02:23,343 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 10:02:23,343 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 10:02:23,343 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 10:02:23,788 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 10:02:23,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:02:23 BoogieIcfgContainer [2018-01-31 10:02:23,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 10:02:23,790 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-31 10:02:23,790 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-31 10:02:23,791 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-31 10:02:23,795 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:02:23" (1/1) ... [2018-01-31 10:02:23,804 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-31 10:02:23,805 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_$Pointer$.base, #memory_$Pointer$.offset] [2018-01-31 10:02:23,806 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-31 10:02:23,847 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 11 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-31 10:02:23,882 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-31 10:02:23,953 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 10:02:30,090 INFO L314 AbstractInterpreter]: Visited 52 different actions 67 times. Merged at 10 different actions 15 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 57 variables. [2018-01-31 10:02:30,093 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-31 10:02:30,109 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.offset] : 4 [2018-01-31 10:02:30,110 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.base] : 4 [2018-01-31 10:02:30,110 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-31 10:02:30,110 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_$Pointer$.offset] [#memory_$Pointer$.base] [2018-01-31 10:02:30,111 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_$Pointer$.base_9| |v_main_~#data~5.base_3|) |v_main_~#data~5.offset_3|), at (SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~#data~5.base, ~#data~5.offset + 0, 4); srcloc: L639)) ((select |v_#memory_$Pointer$.base_6| v_alloc_data_~pdata.base_5), at (SUMMARY for call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~pdata.base, ~pdata.offset + 4, 4); srcloc: L626)) ((select (select |v_#memory_$Pointer$.offset_10| |v_main_~#data~5.base_6|) (+ |v_main_~#data~5.offset_5| 4)), at (SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~#data~5.base, ~#data~5.offset + 4, 4); srcloc: L640)) ((select (select |v_#memory_$Pointer$.offset_9| |v_main_~#data~5.base_3|) |v_main_~#data~5.offset_3|), at (SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~#data~5.base, ~#data~5.offset + 0, 4); srcloc: L639)) ((select |v_#memory_$Pointer$.base_4| v_alloc_data_~pdata.base_2), at (SUMMARY for call write~$Pointer$(#t~malloc0.base, #t~malloc0.offset, ~pdata.base, ~pdata.offset + 0, 4); srcloc: L625')) ((select |v_#memory_$Pointer$.offset_6| v_alloc_data_~pdata.base_5), at (SUMMARY for call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~pdata.base, ~pdata.offset + 4, 4); srcloc: L626)) ((select |v_#memory_$Pointer$.offset_4| v_alloc_data_~pdata.base_2), at (SUMMARY for call write~$Pointer$(#t~malloc0.base, #t~malloc0.offset, ~pdata.base, ~pdata.offset + 0, 4); srcloc: L625')) ((select (select |v_#memory_$Pointer$.base_10| |v_main_~#data~5.base_6|) (+ |v_main_~#data~5.offset_5| 4)), at (SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~#data~5.base, ~#data~5.offset + 4, 4); srcloc: L640)) [2018-01-31 10:02:30,115 INFO L547 PartitionManager]: partitioning result: [2018-01-31 10:02:30,115 INFO L552 PartitionManager]: location blocks for array group [#memory_$Pointer$.base] [2018-01-31 10:02:30,115 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 10:02:30,116 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-01-31 10:02:30,116 INFO L564 PartitionManager]: # location blocks :2 [2018-01-31 10:02:30,116 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 10:02:30,116 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-01-31 10:02:30,116 INFO L564 PartitionManager]: # location blocks :2 [2018-01-31 10:02:30,116 INFO L552 PartitionManager]: location blocks for array group [#memory_$Pointer$.offset] [2018-01-31 10:02:30,117 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 10:02:30,117 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-01-31 10:02:30,117 INFO L564 PartitionManager]: # location blocks :2 [2018-01-31 10:02:30,117 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 10:02:30,119 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-01-31 10:02:30,119 INFO L564 PartitionManager]: # location blocks :2 [2018-01-31 10:02:30,120 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-31 10:02:30,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 10:02:30 BasicIcfg [2018-01-31 10:02:30,146 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-31 10:02:30,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 10:02:30,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 10:02:30,151 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 10:02:30,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:02:22" (1/4) ... [2018-01-31 10:02:30,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1af723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:02:30, skipping insertion in model container [2018-01-31 10:02:30,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:02:23" (2/4) ... [2018-01-31 10:02:30,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1af723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:02:30, skipping insertion in model container [2018-01-31 10:02:30,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:02:23" (3/4) ... [2018-01-31 10:02:30,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1af723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:02:30, skipping insertion in model container [2018-01-31 10:02:30,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 10:02:30" (4/4) ... [2018-01-31 10:02:30,155 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-31 10:02:30,164 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 10:02:30,175 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-01-31 10:02:30,342 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 10:02:30,342 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 10:02:30,343 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 10:02:30,343 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 10:02:30,343 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 10:02:30,343 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 10:02:30,343 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 10:02:30,343 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 10:02:30,344 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 10:02:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-01-31 10:02:30,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-01-31 10:02:30,366 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 10:02:30,367 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-01-31 10:02:30,367 INFO L371 AbstractCegarLoop]: === Iteration 1 === [alloc_dataErr2RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr3RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr2RequiresViolation, free_dataErr0RequiresViolation]=== [2018-01-31 10:02:30,371 INFO L82 PathProgramCache]: Analyzing trace with hash 228269694, now seen corresponding path program 1 times [2018-01-31 10:02:30,373 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 10:02:30,374 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 10:02:30,429 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 10:02:30,429 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 10:02:30,429 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 10:02:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 10:02:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 10:02:30,516 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-01-31 10:02:30,520 INFO L84 mationBacktranslator]: Skipped ATE [209] [209] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-31 10:02:30,520 INFO L84 mationBacktranslator]: Skipped ATE [215] [215] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 10:02:30,520 INFO L84 mationBacktranslator]: Skipped ATE [221] [221] mainENTRY-->L638: Formula: (and (= |v_#valid_15| (store |v_#valid_16| |v_main_~#data~5.base_1| 1)) (= |v_main_~#data~5.offset_1| 0) (= (select |v_#valid_16| |v_main_~#data~5.base_1|) 0) (= |v_#length_11| (store |v_#length_12| |v_main_~#data~5.base_1| 8)) (not (= 0 |v_main_~#data~5.base_1|))) InVars {#length=|v_#length_12|, #valid=|v_#valid_16|} OutVars{main_~#data~5.offset=|v_main_~#data~5.offset_1|, #length=|v_#length_11|, main_~#data~5.base=|v_main_~#data~5.base_1|, #valid=|v_#valid_15|} AuxVars[] AssignedVars[main_~#data~5.offset, main_~#data~5.base, #valid, #length] [2018-01-31 10:02:30,520 INFO L84 mationBacktranslator]: Skipped ATE [225] [225] L638-->L639: Formula: true InVars {} OutVars{#length=|v_#length_13|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_7|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_7|, #valid=|v_#valid_17|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #valid, #length, #memory_$Pointer$.offset] [2018-01-31 10:02:30,521 INFO L84 mationBacktranslator]: Skipped ATE [233] [233] L639-->mainErr0RequiresViolation: Formula: (not (= (select |v_#valid_20| |v_main_~#data~5.base_4|) 1)) InVars {#valid=|v_#valid_20|, main_~#data~5.base=|v_main_~#data~5.base_4|} OutVars{#valid=|v_#valid_20|, main_~#data~5.base=|v_main_~#data~5.base_4|} AuxVars[] AssignedVars[] [2018-01-31 10:02:30,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:02:30 BasicIcfg [2018-01-31 10:02:30,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 10:02:30,529 INFO L168 Benchmark]: Toolchain (without parser) took 7570.70 ms. Allocated memory was 307.8 MB in the beginning and 920.6 MB in the end (delta: 612.9 MB). Free memory was 267.6 MB in the beginning and 889.0 MB in the end (delta: -621.3 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 10:02:30,529 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 307.8 MB. Free memory is still 273.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 10:02:30,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.86 ms. Allocated memory is still 307.8 MB. Free memory was 266.6 MB in the beginning and 256.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-31 10:02:30,530 INFO L168 Benchmark]: Boogie Preprocessor took 47.45 ms. Allocated memory is still 307.8 MB. Free memory was 256.6 MB in the beginning and 254.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 10:02:30,530 INFO L168 Benchmark]: RCFGBuilder took 501.42 ms. Allocated memory is still 307.8 MB. Free memory was 254.6 MB in the beginning and 236.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 5.3 GB. [2018-01-31 10:02:30,531 INFO L168 Benchmark]: IcfgTransformer took 6356.46 ms. Allocated memory was 307.8 MB in the beginning and 728.8 MB in the end (delta: 421.0 MB). Free memory was 236.6 MB in the beginning and 689.2 MB in the end (delta: -452.6 MB). Peak memory consumption was 476.3 MB. Max. memory is 5.3 GB. [2018-01-31 10:02:30,531 INFO L168 Benchmark]: TraceAbstraction took 380.98 ms. Allocated memory was 728.8 MB in the beginning and 920.6 MB in the end (delta: 191.9 MB). Free memory was 689.2 MB in the beginning and 889.0 MB in the end (delta: -199.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 10:02:30,533 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 307.8 MB. Free memory is still 273.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 271.86 ms. Allocated memory is still 307.8 MB. Free memory was 266.6 MB in the beginning and 256.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 47.45 ms. Allocated memory is still 307.8 MB. Free memory was 256.6 MB in the beginning and 254.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 501.42 ms. Allocated memory is still 307.8 MB. Free memory was 254.6 MB in the beginning and 236.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 5.3 GB. * IcfgTransformer took 6356.46 ms. Allocated memory was 307.8 MB in the beginning and 728.8 MB in the end (delta: 421.0 MB). Free memory was 236.6 MB in the beginning and 689.2 MB in the end (delta: -452.6 MB). Peak memory consumption was 476.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 380.98 ms. Allocated memory was 728.8 MB in the beginning and 920.6 MB in the end (delta: 191.9 MB). Free memory was 689.2 MB in the beginning and 889.0 MB in the end (delta: -199.8 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 44 LocStat_MAX_WEQGRAPH_SIZE : 6 LocStat_MAX_SIZEOF_WEQEDGELABEL : 4 LocStat_NO_SUPPORTING_EQUALITIES : 1082 LocStat_NO_SUPPORTING_DISEQUALITIES : 643 LocStat_NO_DISJUNCTIONS : -88 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 64 TransStat_MAX_WEQGRAPH_SIZE : 4 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 199 TransStat_NO_SUPPORTING_DISEQUALITIES : 29 TransStat_NO_DISJUNCTIONS : 75 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.035840 RENAME_VARIABLES(MILLISECONDS) : 0.616186 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.001797 PROJECTAWAY(MILLISECONDS) : 1.736768 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.077001 DISJOIN(MILLISECONDS) : 3.930638 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.647660 ADD_EQUALITY(MILLISECONDS) : 0.037194 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009467 #CONJOIN_DISJUNCTIVE : 123 #RENAME_VARIABLES : 234 #UNFREEZE : 0 #CONJOIN : 352 #PROJECTAWAY : 201 #ADD_WEAK_EQUALITY : 18 #DISJOIN : 24 #RENAME_VARIABLES_DISJUNCTIVE : 211 #ADD_EQUALITY : 181 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 18 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_$Pointer$.base] : 4 #COUNT_NEW_ARRAY_VARS_[#memory_$Pointer$.offset] : 4 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.offset]_at_dim_0 : 2 COUNT_BLOCKS_for_[#memory_$Pointer$.offset]_at_dim_0 : 2 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.offset]_at_dim_1 : 3 COUNT_BLOCKS_for_[#memory_$Pointer$.offset]_at_dim_1 : 2 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.base]_at_dim_0 : 2 COUNT_BLOCKS_for_[#memory_$Pointer$.base]_at_dim_0 : 2 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.base]_at_dim_1 : 3 COUNT_BLOCKS_for_[#memory_$Pointer$.base]_at_dim_1 : 2 COUNT_ARRAY_READS for [#memory_$Pointer$.offset] : 4 COUNT_ARRAY_READS for [#memory_$Pointer$.base] : 4 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 48 locations, 13 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-31_10-02-30-544.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-31_10-02-30-544.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-31_10-02-30-544.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-31_10-02-30-544.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_10-02-30-544.csv Received shutdown request...